No offense to you, but your shop sounds like it is full of idiots. Like Memphis stated, most people on here don't even start to push the car until the oil warms up to 180F or so. With the way it's acting, I would check to see if the shop even installed a thermostatic plate.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |